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driver core: Convert some drivers to CLASS_ATTR_STRING

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Convert some drivers who export a single string as class attribute
to the new class_attr_string functions. This removes redundant
code all over.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Andi Kleen
2010-01-05 12:48:09 +01:00
committed by Greg Kroah-Hartman
parent 869dfc875e
commit 0933e2d98d
6 changed files with 27 additions and 57 deletions
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19
drivers/gpu/drm/drm_sysfs.c
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@@ -70,20 +70,17 @@ static int drm_class_resume(struct device *dev)
return 0;
}
/* Display the version of drm_core. This doesn't work right in current design */
static ssize_t version_show(struct class *dev, struct class_attribute *attr,
char *buf)
{
return sprintf(buf, "%s %d.%d.%d %s\n", CORE_NAME, CORE_MAJOR,
CORE_MINOR, CORE_PATCHLEVEL, CORE_DATE);
}
static char *drm_devnode(struct device *dev, mode_t *mode)
{
return kasprintf(GFP_KERNEL, "dri/%s", dev_name(dev));
}
static CLASS_ATTR(version, S_IRUGO, version_show, NULL);
static CLASS_ATTR_STRING(version, S_IRUGO,
CORE_NAME " "
__stringify(CORE_MAJOR) "."
__stringify(CORE_MINOR) "."
__stringify(CORE_PATCHLEVEL) " "
CORE_DATE);
/**
* drm_sysfs_create - create a struct drm_sysfs_class structure
@@ -110,7 +107,7 @@ struct class *drm_sysfs_create(struct module *owner, char *name)
class->suspend = drm_class_suspend;
class->resume = drm_class_resume;
err = class_create_file(class, &class_attr_version);
err = class_create_file(class, &class_attr_version.attr);
if (err)
goto err_out_class;
@@ -133,7 +130,7 @@ void drm_sysfs_destroy(void)
{
if ((drm_class == NULL) || (IS_ERR(drm_class)))
return;
class_remove_file(drm_class, &class_attr_version);
class_remove_file(drm_class, &class_attr_version.attr);
class_destroy(drm_class);
}